Strong and Durable Steel GO MINIMALIST - Less is more, especially with this modern and structurally sound foundation that lends both strength and understated sophistication to your bedroom - two qualities that never go out of style UNDERBED CLEARANCE - A tall, 18 inch platform features a generous 15.4 inches of underbed space perfect for storing extra odds and ends; twin size supports a maximum weight capacity of 350 lbs, while all other sizes can support up to 700 lbs NO BOX SPRING NEEDED - Reliable wood slats are designed to support and extend the life of your latex, memory foam or spring mattress without the need for a box spring; slats are spaced 3 - 3.4 inches apart EASY ASSEMBLY - All parts, tools and instructions are shipped straight to your door in one efficiently packed box for simple set-up that takes less than hour with a friend’s help Worry-free 5 year limited warranty included; mattress sold separately